/**
   NSURLSessionConfiguration.m

   Copyright (C) 2017-2024 Free Software Foundation, Inc.

   Written by: Hugo Melder <hugo@algoriddim.com>
   Date: May 2024
   Author: Hugo Melder <hugo@algoriddim.com>

   This file is part of GNUStep-base

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   If you are interested in a warranty or support for this source code,
   contact Scott Christley <scottc@net-community.com> for more information.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110 USA.
*/

#import "Foundation/NSURLSession.h"
#import "Foundation/NSHTTPCookie.h"

// TODO: This is the old implementation. It requires a rewrite!

@implementation NSURLSessionConfiguration

static NSURLSessionConfiguration *def = nil;

+ (void)initialize
{
  if (nil == def)
    {
      def = [NSURLSessionConfiguration new];
    }
}

+ (NSURLSessionConfiguration *)defaultSessionConfiguration
{
  return AUTORELEASE([def copy]);
}

+ (NSURLSessionConfiguration *)ephemeralSessionConfiguration
{
  // return default session since we don't store any data on disk anyway
  return AUTORELEASE([def copy]);
}

+ (NSURLSessionConfiguration *)backgroundSessionConfigurationWithIdentifier:
  (NSString *)identifier
{
  NSURLSessionConfiguration *configuration = [def copy];
  configuration->_identifier = [identifier copy];
  return AUTORELEASE(configuration);
}

- (instancetype)init
{
  if (nil != (self = [super init]))
    {
      _protocolClasses = nil;
      _HTTPMaximumConnectionsPerHost = 6;
      _HTTPShouldUsePipelining = YES;
      _HTTPCookieAcceptPolicy = NSHTTPCookieAcceptPolicyNever;
      _HTTPCookieStorage = nil;
      _HTTPShouldSetCookies = NO;
      _HTTPAdditionalHeaders = nil;
      _HTTPMaximumConnectionLifetime = 0;   // Zero or less means default
      _timeoutIntervalForResource = 604800; // 7 days in seconds
      _timeoutIntervalForRequest = 60;      // 60 seconds
    }

  return self;
}

- (void)dealloc
{
  DESTROY(_identifier);
  DESTROY(_HTTPAdditionalHeaders);
  DESTROY(_HTTPCookieStorage);
  DESTROY(_protocolClasses);
  DESTROY(_URLCache);
  DESTROY(_URLCredentialStorage);
  [super dealloc];
}

- (NSString *)identifier
{
  return _identifier;
}

- (NSURLCache *)URLCache
{
  return _URLCache;
}

- (void)setURLCache:(NSURLCache *)cache
{
  ASSIGN(_URLCache, cache);
}

- (void)setURLCredentialStorage:(NSURLCredentialStorage *)storage
{
  ASSIGN(_URLCredentialStorage, storage);
}

- (NSURLRequestCachePolicy)requestCachePolicy
{
  return _requestCachePolicy;
}

- (void)setRequestCachePolicy:(NSURLRequestCachePolicy)policy
{
  _requestCachePolicy = policy;
}

- (NSArray *)protocolClasses
{
  return _protocolClasses;
}

- (NSTimeInterval)timeoutIntervalForRequest
{
  return _timeoutIntervalForRequest;
}

- (void)setTimeoutIntervalForRequest:(NSTimeInterval)interval
{
  _timeoutIntervalForRequest = interval;
}

- (NSTimeInterval)timeoutIntervalForResource
{
  return _timeoutIntervalForResource;
}

- (void)setTimeoutIntervalForResource:(NSTimeInterval)interval
{
  _timeoutIntervalForResource = interval;
}

- (NSInteger)HTTPMaximumConnectionsPerHost
{
  return _HTTPMaximumConnectionsPerHost;
}

- (void)setHTTPMaximumConnectionsPerHost:(NSInteger)n
{
  _HTTPMaximumConnectionsPerHost = n;
}

- (NSInteger)HTTPMaximumConnectionLifetime
{
  return _HTTPMaximumConnectionLifetime;
}

- (void)setHTTPMaximumConnectionLifetime:(NSInteger)n
{
  _HTTPMaximumConnectionLifetime = n;
}

- (BOOL)HTTPShouldUsePipelining
{
  return _HTTPShouldUsePipelining;
}

- (void)setHTTPShouldUsePipelining:(BOOL)flag
{
  _HTTPShouldUsePipelining = flag;
}

- (NSHTTPCookieAcceptPolicy)HTTPCookieAcceptPolicy
{
  return _HTTPCookieAcceptPolicy;
}

- (void)setHTTPCookieAcceptPolicy:(NSHTTPCookieAcceptPolicy)policy
{
  _HTTPCookieAcceptPolicy = policy;
}

- (NSHTTPCookieStorage *)HTTPCookieStorage
{
  return _HTTPCookieStorage;
}

- (void)setHTTPCookieStorage:(NSHTTPCookieStorage *)storage
{
  ASSIGN(_HTTPCookieStorage, storage);
}

- (BOOL)HTTPShouldSetCookies
{
  return _HTTPShouldSetCookies;
}

- (void)setHTTPShouldSetCookies:(BOOL)flag
{
  _HTTPShouldSetCookies = flag;
}

- (NSDictionary *)HTTPAdditionalHeaders
{
  return _HTTPAdditionalHeaders;
}

- (void)setHTTPAdditionalHeaders:(NSDictionary *)headers
{
  ASSIGN(_HTTPAdditionalHeaders, headers);
}

- (NSURLRequest *)configureRequest:(NSURLRequest *)request
{
  return [self setCookiesOnRequest:request];
}

- (NSURLRequest *)setCookiesOnRequest:(NSURLRequest *)request
{
  NSMutableURLRequest *r = AUTORELEASE([request mutableCopy]);

  if (_HTTPShouldSetCookies)
    {
      if (nil != _HTTPCookieStorage && nil != [request URL])
        {
          NSArray *cookies = [_HTTPCookieStorage cookiesForURL:[request URL]];
          if (nil != cookies && [cookies count] > 0)
            {
              NSDictionary *cookiesHeaderFields;
              NSString     *cookieValue;

              cookiesHeaderFields =
                [NSHTTPCookie requestHeaderFieldsWithCookies:cookies];
              cookieValue = [cookiesHeaderFields objectForKey:@"Cookie"];
              if (nil != cookieValue && [cookieValue length] > 0)
                {
                  [r setValue:cookieValue forHTTPHeaderField:@"Cookie"];
                }
            }
        }
    }

  return AUTORELEASE([r copy]);
}

- (NSURLCredentialStorage *)URLCredentialStorage
{
  return _URLCredentialStorage;
}

- (id)copyWithZone:(NSZone *)zone
{
  NSURLSessionConfiguration *copy = [[[self class] alloc] init];

  if (copy)
    {
      copy->_identifier = [_identifier copy];
      copy->_URLCache = [_URLCache copy];
      copy->_URLCredentialStorage = [_URLCredentialStorage copy];
      copy->_protocolClasses = [_protocolClasses copyWithZone:zone];
      copy->_HTTPMaximumConnectionsPerHost = _HTTPMaximumConnectionsPerHost;
      copy->_HTTPShouldUsePipelining = _HTTPShouldUsePipelining;
      copy->_HTTPCookieAcceptPolicy = _HTTPCookieAcceptPolicy;
      copy->_HTTPCookieStorage = [_HTTPCookieStorage retain];
      copy->_HTTPShouldSetCookies = _HTTPShouldSetCookies;
      copy->_HTTPAdditionalHeaders = [_HTTPAdditionalHeaders copyWithZone:zone];
      copy->_timeoutIntervalForRequest = _timeoutIntervalForRequest;
      copy->_timeoutIntervalForResource = _timeoutIntervalForResource;
    }

  return copy;
}

@end